List the Elements required by Living Organisms?

Q: Complete the table

A: Electrochemical cells / Galavanic cells / Voltaic cells :  In these cells chemical energy is…

Q: Where Did Elements Come From?

A: Elements:

Q: Fill in the information missing from this table. nuclide protons neutrons A 22 27 ? 52 130 77 Se 34

A:

Q: Who originally proposed the concept that matter is composed of tiny, indivisible particles?

A: John Dalton proposed the concept that matter is composed of tiny, indivisible particles.

Q: At death, a nobleman in ancient Egypt was mummified and his body contained 1.4 x 10-3 g of…

A:

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: let assume the initial concentration of C-14 as Co=100%

Q: complete the table

A: If organic compound contains double bond (or) triple bond (unsaturation) reacts with Br2 , this…

Q: Using the three laws of matter, explain each of Dalton's postulates.

A: Dalton's postulates has to be explained with the help of three laws of matter.

Q: A) alpha HOH2C ОН B) beta 1 4 gamma OH ОН D) delta

A: Answer : (B) beta

Q: 5. For scientists who are looking for life in outer space, what substances should they look for and…

A: As you already mentioned in the question that you want answer only question number-5 -…

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: According to the question, the radioactive element C has half life of 5750 years.  Lost percentage…

Q: changes in mass (i

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: neutron

A: We know that neutron is a particle present in nucleus along with proton  or we can say that

Q: Archeologists discover a gold crown in an ancient tomb. When they place the crown in a tub of water…

A: In the question , Following datas given - (1) Volume of gold crown, displaced by it on placing it in…

Q: Determine the number of protons and neutrons in uranium-235. Enter your answers numerically…

A: As we know that atomic number of the element equals the number of protons.  For uranium-235, Atomic…

Q: 11. Mrs. Folloso is preparing water in containers to sell in their water station. A. filtration B.…

A:

Q: "C→ 14 14 6. 7.

A: The given reaction is an example of β- decay. It is a type of nuclear reaction, which emits an…

Q: The uranium atom is the heaviest of the common naturally occurring elements but uranium is not the…

A:

Q: Complete the table.

A: Given equation is : Also, Rate of reaction = 0.010 M/s

Q: Explain how the cathode ray was discovered.

A: Cathode rays are the beam of electrons that are observed in vacuum tubes. They are also called…

Q: For a beta (β) particle, give the number of protons:  neutrons: electrons:

A: Answer  Beta particle have -1 charge and same as the electron

Q: A common belief among scientists is that there exists anunderlying order to nature. Einstein…

A: Science can be developed and applied on whatever possible by humans. But there are some underlying…

Q: Why is carbon considered the element of Life? What makes carbon unique? Can you think of something…

A: Given statements,    Carbon considered the element of Life    Unique property of Carbon    Something…

Q: 70 Ge 70 Ga 32 31

A: Given  An unbalanced nuclear reaction  To find  The balance the nuclear reaction

Q: Fill in the information missing from this table. nuclide protons neutrons Z A 0 0 33 75 0 0 12 14 0…

A:

Q: At 200 ° C the liquid elements are: A) Zinc and lead B) Tin and gallium C) Only gallium D) Only zinc

A: The question is based on concept of melting point. it is the amount of energy required to melt The…

Q: Marie Curie is famous for her study of:  a. hydrogen b. electricity c. radiation d. magnetism

A: Marie Curie was a Chemist and Physicist. She won nobel prize for the discovery of Polonium and…

Q: Its a naswer. plase type it i cant read handwritten

A: Answer

Q: Which of the following is the type of particle that almost never interacts with normal matter?   a.…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Sample

A: Given data set: Initial mass of the radioactive metal = 1024 grams Final mass of the radioactive…

Q: The total mass of 12 protons, 27 neutrons, and 24 electrons

A: Given that, no. of proton = 12 no. of neutron = 27 no. of electron = 24

Q: 130 120 110 100 90 80 70 60 50 • Stable 40 Radioactive 30 20 10 10 20 30 40 50 60 70 80 90 100…

A: The plot of stable and radioactive nuclei is given by,

Q: Uranium has three isotopes : uranium-233, uranium-235, and uranium-238. Compare the number of…

A:

Q: chemical properties?

A:

Q: graphical information (socioeconomic background, family, education), his inital research focus, and…

A:

Q: 25 1dentify which is E or Z 25 deity which ins Er CH,"

A: As per the CIP rules, if high priority groups are on the same side of the C=C then it is named as Z…

Q: An atom of a carbon-14 isotope would contain how many protons, neutrons, and electrons?

A: The correct answer is given below

Q: State and explain the law of conservation of mass.

A: According to law of conservation of mass, the total mass of the reactant is equal to the total mass…

Q: MCQ 25: 1.67*10-27kg is the weight of a single atom of A. oxygen B. nitrogen C. hydrogen D. water

A: 1.67 x 10-27 Kg is the mass of a proton which is equal to 1.00784 amu.

Q: 44) Which has the highest sub energy level? a. K b. L c. M d. N

A:

Q: Differentiate between element and atom. What fourelements are found in the greatest abundance in…

A: a). Differentiate between element and atom = ? And b). What four elements are found in the greatest…

Q: 3. In 100 words or less, what would be an educated response to someone who claims that living…

A: Introduction-

Q: 1. A typical multivitamin tablet can contain 2.00 mg of vitamin B2 (riboflavin), and the RDA is…

A: The solution is given below -

Q: A neutron star has a density of 5.0 x 1017 kg/m3. How many ?μL of space would 5.0x106 metric tons…

A:

Q: Given the only naturally occurring isotope of sodium is Na-23, determine its mass from the periodic…

A: The elements having the same atomic number but different atomic masses are known as isotopes. There…

Q: What elements make up 99% of muscle in living organisms? * A. Carbon, Sulfur, Oxygen, and Hydrogen…

A: Muscles of a living organism contain proteins that are made of amino acids and blood that is mainly…

Q: For an alpha (α) particle, give the number of protons:  neutrons:  electrons:

A: Answer:- This question is answered by using the simple concept of calculation of number of protons,…

Q: Fill in the blanks

A: The terminal alkyne contains acidic hydrogen. The hydrogen atom attached to the sp hybridized carbon…